ESS E-Flash E85 Z4M ECU Tuning Software

Product Description

ESS E-Flash Naturally Aspirated optimized ECU software is a result of 100's of dyno runs and exact calibration of all parameters to allow maximum performance gains with improved driveability/fuel consumption and stock engine longevity. Removed top speed governor is included, and you have the option of stock RPM limit or up to 8200RPM.Power is increased by 10-15 HP when programmed for premium fuel (91US/96Euro).

When ordering this product you will receive 1 ESS E-Flash USB-OBD programmer which will VIN lock to your car. This unit can be used to program between stock and tuned, and it can also be used to load custom files/race fuel files/updates received from ESS over email. The ESS E-flash requires the use of a windows laptop. Full diagnostic code reading and code clearing are available via E-flash.